Stegmaier-Haupt TV 6.2, Manual

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Transistor Servo-Drive TV6.2
20
The transistor power sections have an internal watchdog and protect themsel -
ves
.
Under fault-free conditions the BTB-relay will be controlled.
The BTB-relay will switch off in case of the following faults:
auxiliary voltage supply: +15V, -15V
power section: fuse failure,
buffer circuitry voltage too high
permanent short-circuit or circuit to earth
over-temperature (optional, rf. to current
limiting in case of over-temperature)
In case of BTB-faults or tacho faults the power section is immediately internally
de-activated
.
The TV6.2 devices have a ballast circuitry and an integrated brake resistor.
The ballast circuit is activated at approx. 200V
.